CN105920970A - Air purification device for large public place - Google Patents
Air purification device for large public place Download PDFInfo
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- CN105920970A CN105920970A CN201610316329.8A CN201610316329A CN105920970A CN 105920970 A CN105920970 A CN 105920970A CN 201610316329 A CN201610316329 A CN 201610316329A CN 105920970 A CN105920970 A CN 105920970A
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- vermiculite
- case body
- raw
- fabric
- air cleaner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Abstract
The invention provides an air purification device for a large public place. The device comprises a vertical box, a top cover located on the top of the vertical box, a pressurization device located inside the vertical box, a titanium tube arrangement area, a case base, and casters and support pads used in cooperation, wherein the vertical box comprises a first case body and a second case body located on the bottom of one side of the first case body, the top cover is arranged on the upper portion of the first case body, a first fan housing net is arranged on the side, corresponding to the second case body, of the first case body, a second fan housing net is arranged on the outer side of the second case body, the tube surface of the tube arrangement area is of a honeycomb-shaped titanium dioxide nano-structure, a tube is of a bent loop structure in a cavity, the diameter of the titanium tube is 3-10 mm, and air enters through the second fan housing net and flows out through the first fan housing net after circulation. The device is high in dust collection capacity and long in service life.
Description
Technical field
The present invention relates to technical field of air purification, it particularly relates to a kind of air being applicable to large-scale public place
Purifier, it is adaptable to the purification of the gas such as PM2.5 dust, nitrogen oxides, aldehydes in air.
Background technology
PM2.5 refers to the aerodynamic equivalent diameter particulate matter less than or equal to 2.5 microns in surrounding air.It can be longer
Time is suspended in air, its in atmosphere content concn the highest, just represent air pollution the most serious.Although PM2.5 is simply
The component that in ball Atmospheric components, content is little, but it has important impact to air quality and visibility etc..With thicker air
Particulate matter is compared, and PM2.5 particle diameter is little, and area is big, and activity is strong, the most incidentally poisonous and harmful substances (such as, heavy metal, microorganism
Deng), and time of staying length in an atmosphere, fed distance are remote, thus the impact on health and atmosphere quality is bigger.
Although fine particle is the component that in earth atmosphere composition, content is little, but it is to air quality and visibility etc.
There is important impact.Compared with thicker Atmospheric particulates, fine particle particle diameter is little, rich in substantial amounts of poisonous and harmful substances and
Time of staying length, fed distance in an atmosphere are remote, thus the impact on health and atmosphere quality is bigger.Research table
Bright, the least harm to health of granule is the biggest.Fine particle can waft to place farther out, and therefore coverage is bigger.
It is Filtration that counter-measure main for PM2.5 is broadly divided into following three kinds: one, including air-conditioning, humidifier, sky
Gas fresheners etc., advantage is substantially to reduce the concentration of PM2.5, and shortcoming is that filter membrane needs to clean or change.Two is water adsorption method.Super
Sound nebulizer, indoor cascade, pond, fish jar etc., it is possible to absorbing the hydrophilic PM2.5 in air, shortcoming is to increase humidity, hydrophobicity
PM2.5 can not effectively remove.Three is plant absorption method.Plant leaf blade has bigger surface area, it is possible to absorb harmful gas and
Absorption PM2.5, advantage is to produce favourable gas, and shortcoming is that absorption efficiency is low, and some plant can produce harmful gas.At present
Existing advanced method is medium absorption in the world, and such as HEPA filter screen, this means can play the most efficient at the application initial stage
The filtration of rate, but along with the increase of the time of use, the laying dust amount of medium tends to saturated, can bring secondary pollution and filter effect
Declining to a great extent of fruit.
It addition, the existing air cleaner being commercially used for dedusting, generally it is provided with multiple filtration film, to reach relatively
The effect of high dedusting.But these air cleaners are bulky, owing between air inlet and air outlet, pressure differential is very big,
Needing powerful blower fan, not only power consumption is big, and noise is the biggest.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of air cleaner being applicable to large-scale public place, improve
The laying dust amount of conventional purge device, extends the service life of material, thus reaches easy to use, reduce the mesh of cost simultaneously
's.
A kind of air cleaner being applicable to large-scale public place, including vertical cabinet, is positioned at vertical cabinet top
Top cover, it is positioned at the pressue device within vertical cabinet, titanium pipe layout areas, pressue device, chassis base and is used in conjunction with each other
Castor and supporting pad, described vertical cabinet includes the first machine case body and is positioned at the of the first machine case body side bottom position
Two machine case bodies, described top cover is arranged at the top of the first machine case body, described first machine case body with arrange the second cabinet this
The corresponding side of body is provided with the first fan housing net, and the outside of described second machine case body is provided with the second fan housing net, described
The Surface coating of the pipe that pipe layout areas is arranged has titanic oxide nano compound material, and described pipe becomes to flex back in inside cavity
Line structure, a diameter of 3-10mm of described pipe, air flows into after circulation from the first fan housing net at described second fan housing net
Place flows out.
Described pressurized equipment, under conditions of pressurization 5-10MPa, PM2.5 is adsorbed onto titanic oxide nano compound material
After in, bulky grain can be compressed to, be saved in the nanotube of titanic oxide nano compound material, thus vacating space, can
To adsorb more PM2.5, effect is more lasting.
Preferably, the pipe that described pipe layout areas is arranged is permanent magnetism iron pipe, described titanic oxide nano compound material
Preparation method, carry out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:800-1000g:0.5-1g:200-300g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.1-0.25mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature in 10-20min, and from often
Pressure boosts to 5MPa, then enough titanium precursors solution is added drop-wise to fabric and raw-vermiculite micropowder suspension, stirs to enter for 8-10 hour
Row condensation reaction, during reaction, temperature is gradually warming up to 350 DEG C from 150 DEG C；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4000-8000 rev/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 350-950 DEG C 2-3 hour, then by cold for the product after calcining
But to room temperature, titanic oxide nano compound material is obtained.
Chinese invention patent CN103641165A discloses one and prepares titanium dioxide with natural minerals attapulgite for template
The method of titanium nanotube, attapulgite be a kind of sweat Silicon-rich hydrochlorate having fiber pattern layer chain transition structure be main clay
Mineral, have natural nano-scale fiber profile, are typical monodimension nanometer materials, with the nano junction of attapulgite in the method
Structure is that template is to prepare carbon nano rod.
And the fabric and raw-vermiculite in the present invention is also a kind of natural minerals, but and unlike attapulgite, its a kind of layer structure
Containing magnesium, the secondary rotten ore deposit of irony aluminosilicate.
The thin layered structure of Vermiculitum, is by the silica skeleton of two-layer stratiform, by oxyhydrogen magnesium rock layers or oxyhydrogen aluminum stone layer
In conjunction with and form double-deck silicon-oxy tetrahedron.With the presence of water molecule layer between " double-deck ".The expansion of Vermiculitum, is due at high-temperature heating
Time.Moisture between " double-deck " becomes steam and produces pressure, makes " double-deck " separate reason.Of the microstructure of research Vermiculitum
Persons, illustrate the spread pattern of aluminosilicate interlayer water molecule layer in Vermiculitum structure, it is believed that Vermiculitum interlayer hydrone has two kinds
Form: one is by six molecular primary hydration shells of moisture, is referred to as combining water, another kind is curved about magnesium ion and is in certainly
By the eight of state hydrones, referred to as Free water.Free water just can be discharged at relatively low temperatures, and this point is tested at some
Discussion in data is all consistent.Vermiculitum is it is possible to expand, when being because thermal dehydration, in its confining bed space by water
Steam produces pressure and produces.When Vermiculitum heating is below 150 DEG C, the most do not produce expansion, this is because below 150 DEG C
Temperature dehydrating amount little, only Free water is escaped, and steam is freely discharged by interlayer, can not produce the pressure that be enough to make it expand
Power.Being heated to 150 DEG C with (850 1 1000 DEG C) during up to higher temperature owing to aluminosilicate interlayer cardinal distance reduces, steam is arranged
The condition gone out is restricted, and causes intermediary water steam pressure to increase, causes Vermiculitum acutely to expand, and firing rate expands sooner
Hurry up.
The preparation process of the present invention is with the difference of Chinese invention patent CN103641165A, course of reaction is put
High-temperature pressurizing reactor is carried out, after pressure is adjusted to certain high pressure, in 8-10 hour, temperature is the most slow from 150 DEG C
Slowly being warming up to 350 DEG C, the combination water between vermiculite layers is constantly got rid of in the process, and titanium source is the most constantly filled into silica
In tetrahedral space, form nano tubular structure.
The width of the titanic oxide nano compound material that the present invention generates is the nano tube structure between 300-3500 nanometer,
And become the thin layered structure of Vermiculitum in nanotube outer wrap, therefore under the pressurized conditions in follow-up use, nanotube is difficult to
Rupture.
Preferably, in step D of the present invention, described titanium precursors solution can add a small amount of iron chloride.
Preferably, in step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution
The 0.5-0.8% of amount for the material of metatitanic acid four fourth fat.
Preferably, under conditions of adding iron chloride, the rotating speed of centrifuge is 4000-5000 rev/min, the highest meeting of rotating speed
Affect the magnetic of material.
After adding a small amount of iron chloride, after calcining, the nanometer ferro oxide of a small amount of specification arrangement can be generated, can give
The magnetic that material is certain, follow-up convenient during utilizing material.
Preferably, in described step E, temperature, at 40 DEG C/h, is warming up to by the speed controlling that will heat up from 150 DEG C
350 DEG C, then keep the temperature at 350 DEG C, keep 4 hours best results.
Described air cleaner is additionally provided with some blower fans, and described blower fan is cross flow blower or axial fan, wind
Air after machine will filter is sent at the first fan housing net, is additionally provided with to reduce the implant of noise inside vertical cabinet.
The castor being used in conjunction with each other and the supporting pad of described air cleaner are fixed at the bottom of cabinet by same screw rod
On seat, described castor is arranged on the foot wheel carrier being fixed on screw rod outer surface, and described screw rod is hollow structure, and supporting pad passes through
Support bar is connected with bolt, adjusts height by feed screw nut, conveniently realize air cleaning between described support bar and bolt
Fixing after the movement of device and movement.
A kind of air cleaner being applicable to large-scale public place provided by the present invention, assembling is with fabric and raw-vermiculite powder as mould
Plate, prepares Nano titanium dioxide composite under the conditions of high-temperature pressurizing, and obtained Nano titanium dioxide pipe is coated on
In Vermiculitum layer structure, possess good voltage endurance capability, PM2.5 high adsorption capacity, after being assembled in specific purifier,
Service life is long.Titanium dioxide also has absorption simultaneously, eliminates the effect of the harmful gass such as nitrogen oxides, Nano titanium dioxide
Eradicating efficacy more preferably.
Accompanying drawing explanation
Fig. 1 is the structural representation of air cleaner of the present invention；
Fig. 2 is the axonometric chart of air cleaner of the present invention；
Fig. 3 is the side view of air cleaner of the present invention；
Fig. 4 is the workflow structure schematic diagram of air cleaner of the present invention；
Reference: 1, top cover；2, the first fan housing net；3, the first machine case body；4, chassis base；5, castor；6, supporting pad；
7, the second machine case body；8, the second fan housing net；9, pipe layout areas；10, cross-ventilation region.
Detailed description of the invention
Embodiment 1
As Figure 1-4, a kind of air cleaner being applicable to large-scale public place, including vertical cabinet, it is positioned at vertical case
The top cover at body top, it is positioned at the pressue device within vertical cabinet, titanium pipe layout areas, pressue device, chassis base and mutually
With the use of castor and supporting pad, described vertical cabinet includes the first machine case body and be positioned at the first machine case body one side bottom
Second machine case body of position, described top cover is arranged at the top of the first machine case body, described first machine case body with arrange
The corresponding side of two machine case bodies is provided with the first fan housing net, and the outside of described second machine case body is provided with the second fan housing
Net, the Surface coating of the pipe that described pipe layout areas is arranged has titanic oxide nano compound material, and described pipe is in cavity
Portion become flex back to line structure, a diameter of 3-10mm of described pipe, air flows at described second fan housing net through circulate after from
Flowing out at first fan housing net, inside cavity is permanent magnetism iron pipe, permanent magnetism iron pipe embayment return line structure, permanent magnet tube-surface cladding two
TiOx nano composite, a diameter of 5mm of permanent magnetism iron pipe, a length of 250m.
The preparation method of described titanic oxide nano compound material, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:900g:0.8g:250g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.2mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature, and boosts to from normal pressure
5MPa, time 15min, be then added drop-wise to fabric and raw-vermiculite micropowder suspension, the speed that will heat up by enough titanium precursors solution
Control at 40 DEG C/h, temperature is warming up to 350 DEG C from 150 DEG C, then keeps the temperature at 350 DEG C, keep 4 hours, carry out
Condensation reaction；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4500 revs/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 500 DEG C 2.5 hours, then the product after calcining is cooled to
Room temperature, obtains titanic oxide nano compound material.
In step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution is metatitanic acid
The 0.7% of the amount of the material of four fourth fat.
Embodiment 2
A kind of air cleaner being applicable to large-scale public place, the top cover including vertical cabinet, being positioned at vertical cabinet top,
It is positioned at the pressue device within vertical cabinet, titanium pipe layout areas, pressue device, chassis base and the castor being used in conjunction with each other
And supporting pad, described vertical cabinet includes the first machine case body and is positioned at the second cabinet of the first machine case body side bottom position
Body, described top cover is arranged at the top of the first machine case body, described first machine case body and the phase arranging the second machine case body
Corresponding side is provided with the first fan housing net, and the outside of described second machine case body is provided with the second fan housing net, described pipe layout
The Surface coating of the pipe that region is arranged has titanic oxide nano compound material, described pipe to become bent loop to tie in inside cavity
Structure, a diameter of 3-10mm of described pipe, air flows at described second fan housing net and flows at the first fan housing net after circulation
Going out, inside cavity is permanent magnetism iron pipe, permanent magnetism iron pipe embayment return line structure, and permanent magnet tube-surface cladding titanium dioxide nano is combined
Material, a diameter of 4mm of permanent magnetism iron pipe, a length of 350m.
Described air cleaner also sets up two blower fans, and described blower fan is axial fan, blower fan will filter after sky
Gas is sent at the first fan housing net, is additionally provided with to reduce the implant of noise inside vertical cabinet.
The preparation method of described titanic oxide nano compound material, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:1000g:0.5g:200g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.25mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature, and boosts to from normal pressure
5MPa, time 10min, be then added drop-wise to fabric and raw-vermiculite micropowder suspension, the speed that will heat up by enough titanium precursors solution
Control at 20 DEG C/h, temperature is warming up to 350 DEG C from 150 DEG C, carries out condensation reaction；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4500 revs/min；
G, titanium source-expanded vermiculite mixture is existed, under the conditions of 650 DEG C, calcine 3 hours, then the product after calcining is cooled to room
Temperature, obtains titanic oxide nano compound material.
In step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution is metatitanic acid
The 0.5% of the amount of the material of four fourth fat.
Embodiment 3
A kind of air cleaner being applicable to large-scale public place, the top cover including vertical cabinet, being positioned at vertical cabinet top,
It is positioned at the pressue device within vertical cabinet, titanium pipe layout areas, pressue device, chassis base and the castor being used in conjunction with each other
And supporting pad, described vertical cabinet includes the first machine case body and is positioned at the second cabinet of the first machine case body side bottom position
Body, described top cover is arranged at the top of the first machine case body, described first machine case body and the phase arranging the second machine case body
Corresponding side is provided with the first fan housing net, and the outside of described second machine case body is provided with the second fan housing net, described pipe layout
The Surface coating of the pipe that region is arranged has titanic oxide nano compound material, described pipe to become bent loop to tie in inside cavity
Structure, a diameter of 3-10mm of described pipe, air flows at described second fan housing net and flows at the first fan housing net after circulation
Going out, inside cavity is permanent magnetism iron pipe, permanent magnetism iron pipe embayment return line structure, and permanent magnet tube-surface cladding titanium dioxide nano is combined
Material, a diameter of 4mm of permanent magnetism iron pipe, a length of 350m.
Described air cleaner also sets up two blower fans, and described blower fan is axial fan, blower fan will filter after sky
Gas is sent at the first fan housing net, is additionally provided with to reduce the implant of noise inside vertical cabinet.
The castor being used in conjunction with each other and the supporting pad of air cleaner are fixed on chassis base by same screw rod,
Described castor is arranged on the foot wheel carrier being fixed on screw rod outer surface, and described screw rod is hollow structure, and supporting pad is by supporting
Bar is connected with bolt, adjusts height by feed screw nut, conveniently realize air cleaner between described support bar and bolt
Movement and mobile after fixing.
The preparation method of described titanic oxide nano compound material, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:800g:0.85g:300g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.1mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature, and boosts to from normal pressure
5MPa, time 15min, be then added drop-wise to fabric and raw-vermiculite micropowder suspension, the speed that will heat up by enough titanium precursors solution
Control at 30 DEG C/h, temperature is warming up to 350 DEG C from 150 DEG C, then keeps the temperature at 350 DEG C, keep 2.5 hours, enter
Row condensation reaction；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4500 revs/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 400 DEG C 3 hours, then the product after calcining is cooled to room
Temperature, obtains titanic oxide nano compound material.
In step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution is metatitanic acid
The 0.8% of the amount of the material of four fourth fat.
After titanic oxide nano compound material is installed to air cleaner, test.
It is 300 cubic metres that air cleaner is placed on space, and PM2.5 concentration controls at 300 micrograms/cubic meter, air
Flowing velocity be 2m/s space in test, air cleaner worked after 4 hours, PM2.5 concentration be reduced to 35 micrograms/cube
Below meter, air cleaner is that effect is normal, and the use time of embodiment 1-3 is as follows:
| The use time | |
| Embodiment 1 | 2000 hours |
| Embodiment 2 | 1800 hours |
| Embodiment 3 | 1760 hours |
Embodiment 4
Being 7500 revs/min by the rotational speed regulation of the centrifuge in step F, remaining preparation condition is same as in Example 1, preparation
In air cleaner, permanent magnetism iron pipe reduces 35% to the adsorbance of titanic oxide nano compound material, and final PM2.5 purifies
Using the time in test is 1450 hours.
Embodiment 5
By the 0.3% of the amount of material that the amount of the material of iron chloride in step D is metatitanic acid four fourth fat, remaining preparation condition and enforcement
Example 1 is identical, and in the air cleaner of preparation, permanent magnetism iron pipe reduces 60% to the adsorbance of titanic oxide nano compound material,
Final PM2.5 purifies and uses the time in test is 900 hours.
Embodiment 6
By the 1.5% of the amount of material that the amount of the material of iron chloride in step D is metatitanic acid four fourth fat, remaining preparation condition and enforcement
Example 1 is identical, the permanent magnetism iron pipe adsorbance rising 5% to titanic oxide nano compound material in the air cleaner of preparation, finally
PM2.5 purify test in use the time be 2000 hours.
From the test data of embodiment 4-6, the rotating speed of centrifuge is too high can affect titanic oxide nano compound material
Magnetic, thus finally affect the service life of purifier；The addition of iron chloride is too low can reduce nano titania again
The magnetic of condensation material, affects the permanent magnetism iron pipe adsorbance to titanic oxide nano compound material, thus finally affects purifier
Service life, but after the addition of iron chloride is excessive, to the permanent magnetism iron pipe adsorbance shadow to titanic oxide nano compound material
Ring little.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (8)
1. it is applicable to an air cleaner for large-scale public place, including vertical cabinet, the top that is positioned at vertical cabinet top
Lid, it is positioned at the pressue device within vertical cabinet, titanium pipe layout areas, pressue device, chassis base and is used in conjunction with each other
Castor and supporting pad, it is characterised in that described vertical cabinet includes the first machine case body and is positioned at the bottom of the first machine case body side
Second machine case body of position, portion, described top cover is arranged at the top of the first machine case body, described first machine case body and setting
The corresponding side of the second machine case body is provided with the first fan housing net, and the outside of described second machine case body is provided with the second fan housing
Net, the Surface coating of the pipe that described pipe layout areas is arranged has titanic oxide nano compound material, and described pipe is in cavity
Portion become flex back to line structure, a diameter of 3-10mm of described pipe, air flows at described second fan housing net through circulate after from
Flow out at first fan housing net.
It is applicable to the air cleaner of large-scale public place the most as claimed in claim 1, it is characterised in that described pipe cloth
The pipe that office region is arranged is permanent magnetism iron pipe, and the preparation method of described titanic oxide nano compound material is entered as steps described below
OK:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:800-1000g:0.5-1g:200-300g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.1-0.25mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature in 10-20min, and from often
Pressure boosts to 5MPa, then enough titanium precursors solution is added drop-wise to fabric and raw-vermiculite micropowder suspension, stirs to enter for 8-10 hour
Row condensation reaction, during reaction, temperature is gradually warming up to 350 DEG C from 150 DEG C；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4000-8000 rev/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 350-950 DEG C 2-3 hour, then by cold for the product after calcining
But to room temperature, titanic oxide nano compound material is obtained.
A kind of air cleaner being applicable to large-scale public place, it is characterised in that the present invention
Step D in, described titanium precursors solution adds a small amount of iron chloride.
It is applicable to the air cleaner of large-scale public place the most as claimed in claim 3, it is characterised in that before described titanium
Drive the 0.5-0.8% of the amount of the material that amount is metatitanic acid four fourth fat of the material of the iron chloride added in liquid solution.
It is applicable to the air cleaner of large-scale public place the most as claimed in claim 3, it is characterised in that turning of centrifuge
Speed is 4000-5000 rev/min.
It is applicable to the air cleaner of large-scale public place the most as claimed in claim 2, it is characterised in that described step
In E, temperature, at 40 DEG C/h, is warming up to 350 DEG C from 150 DEG C, then keeps the temperature at 350 by the speed controlling that will heat up
DEG C, keep 4 hours.
It is applicable to the air cleaner of large-scale public place the most as claimed in claim 1, it is characterised in that described air is clean
Gasifying device is additionally provided with some blower fans, and described blower fan is cross flow blower or axial fan, blower fan will filter after air from
Send at first fan housing net, inside vertical cabinet, be additionally provided with to reduce the implant of noise.
It is applicable to the air cleaner of large-scale public place the most as claimed in claim 1, it is characterised in that described air is clean
The castor being used in conjunction with each other and the supporting pad of gasifying device are fixed on chassis base by same screw rod, and described castor is arranged on
Being fixed on the foot wheel carrier on screw rod outer surface, described screw rod is hollow structure, and supporting pad is connected with bolt by support bar,
Height is adjusted by feed screw nut between described support bar and bolt.
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| CN201610316329.8A CN105920970B (en) | 2016-05-13 | 2016-05-13 | A kind of air cleaning unit suitable for large-scale public place |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030104937A1 (en) * | 2001-11-27 | 2003-06-05 | Sinha Rabindra K. | In-situ generation of special sorbents in combustion gases for the removal of mercury and other pollutants present in them |
| JP2010202924A (en) * | 2009-03-02 | 2010-09-16 | Central Glass Co Ltd | Reticulated porous structure and method for producing the same |
| CN102274538A (en) * | 2011-07-08 | 2011-12-14 | 莱阳子西莱环保科技有限公司 | High efficiency and energy saving pressure type intelligent air purifier (HEPA) |
| CN103071477A (en) * | 2012-12-20 | 2013-05-01 | 华南理工大学 | Composite material having visible-light catalytic activity and preparation method thereof |
| CN103641165A (en) * | 2013-12-13 | 2014-03-19 | 中国地质大学（武汉） | Method for preparing titanium dioxide nanotube by using natural mineral as formwork |
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2016
- 2016-05-13 CN CN201610316329.8A patent/CN105920970B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030104937A1 (en) * | 2001-11-27 | 2003-06-05 | Sinha Rabindra K. | In-situ generation of special sorbents in combustion gases for the removal of mercury and other pollutants present in them |
| JP2010202924A (en) * | 2009-03-02 | 2010-09-16 | Central Glass Co Ltd | Reticulated porous structure and method for producing the same |
| CN102274538A (en) * | 2011-07-08 | 2011-12-14 | 莱阳子西莱环保科技有限公司 | High efficiency and energy saving pressure type intelligent air purifier (HEPA) |
| CN103071477A (en) * | 2012-12-20 | 2013-05-01 | 华南理工大学 | Composite material having visible-light catalytic activity and preparation method thereof |
| CN103641165A (en) * | 2013-12-13 | 2014-03-19 | 中国地质大学（武汉） | Method for preparing titanium dioxide nanotube by using natural mineral as formwork |
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| CN105920970B (en) | 2017-11-28 |
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Effective date of registration: 20170807 Address after: 312300 Shaoxing province Shangyu District Lake Lake Industrial Zone hundred Feng Road, No. 14 Applicant after: Zhejiang central Qingxin Cleaning Equipment Co., Ltd. Address before: 100020 Beijing City, Chaoyang District Road, No. 16 Wanghua floor 1 Applicant before: The pure and fresh artificial environment engineering of middle ring (Beijing) Co., Ltd |
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Effective date of registration: 20181204 Address after: Room 901, 9th floor, Block A (Residential) Building, Huayan North Lijunfeng Huating Jiayuan, North Fourth Ring Road, Chaoyang District, Beijing Patentee after: The pure and fresh artificial environment engineering of middle ring (Beijing) Co., Ltd Address before: 312300 Baifeng Highway No. 14, Lianghu Industrial Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee before: Zhejiang central Qingxin Cleaning Equipment Co., Ltd. |